helium
🇺🇸
/ˈhiːliəm/
🇬🇧
/ˈhiːliəm/
noun
R
A colorless, odorless, tasteless, nonflammable, noble gas.
We filled the balloons with helium to make them float in the air.
我们用氦气给气球充气，使它们在空中漂浮。
translation
氦
词形变化
Plural
heliums